package com.example.Service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.example.Service.AnnouncementService;
import com.example.dao.AnnouncemtMapper;
import com.example.pojo.Announcement;

public class AnnouncementServiceImpl extends ServiceImpl<AnnouncemtMapper, Announcement>implements AnnouncementService {
}
